20188944

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 61127040

約数和(自身を除く): 40938096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 47, 48, 57, 72, 76, 94, 114, 141, 144, 152, 157, 171, 188, 228, 282, 304, 314, 342, 376, 423, 456, 471, 564, 628, 684, 752, 846, 893, 912, 942, 1128, 1256, 1368, 1413, 1692, 1786, 1884, 2256, 2512, 2679, 2736, 2826, 2983, 3384, 3572, 3768, 5358, 5652, 5966, 6768, 7144, 7379, 7536, 8037, 8949, 10716, 11304, 11932, 14288, 14758, 16074, 17898, 21432, 22137, 22608, 23864, 26847, 29516, 32148, 35796, 42864, 44274, 47728, 53694, 59032, 64296, 66411, 71592, 88548, 107388, 118064, 128592, 132822, 140201, 143184, 177096, 214776, 265644, 280402, 354192, 420603, 429552, 531288, 560804, 841206, 1062576, 1121608, 1261809, 1682412, 2243216, 2523618, 3364824, 5047236, 6729648, 10094472, 20188944]

約数ペア:

[(1, 20188944), (2, 10094472), (3, 6729648), (4, 5047236), (6, 3364824), (8, 2523618), (9, 2243216), (12, 1682412), (16, 1261809), (18, 1121608), (19, 1062576), (24, 841206), (36, 560804), (38, 531288), (47, 429552), (48, 420603), (57, 354192), (72, 280402), (76, 265644), (94, 214776), (114, 177096), (141, 143184), (144, 140201), (152, 132822), (157, 128592), (171, 118064), (188, 107388), (228, 88548), (282, 71592), (304, 66411), (314, 64296), (342, 59032), (376, 53694), (423, 47728), (456, 44274), (471, 42864), (564, 35796), (628, 32148), (684, 29516), (752, 26847), (846, 23864), (893, 22608), (912, 22137), (942, 21432), (1128, 17898), (1256, 16074), (1368, 14758), (1413, 14288), (1692, 11932), (1786, 11304), (1884, 10716), (2256, 8949), (2512, 8037), (2679, 7536), (2736, 7379), (2826, 7144), (2983, 6768), (3384, 5966), (3572, 5652), (3768, 5358)]